A dream come true tbh, kiri you out there???
I think that is arithmetic i not totally sure
Answer:
A. Undefined will be your answer
Step-by-step explanation:
We know that
• The new charge was $0.50 to mail a letter weighing up to 1 ounce, and $0.21 for each additional ounce.
Based on the given information, the expression is

Where <em>x</em> represents additional ounces, and <em>y</em> represents a cost.
<h2>Hence, the function is</h2>